Big Block Chevy 516 ci 4.530 1.245 CH +46.9cc (CP Bullets BBCRE5333-030)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5333-030 |
|
Bore (in) |
4.53 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.535 |
|
Comp Height |
1.245 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
13.2 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1.0 x 1.0 x 3.0mm |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
516 |
|
Piston Weight |
663 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block Chevy 516 ci 4.530 1.245 CH +46.9cc (CP Bullets BBCRE5333-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| Make | GM |
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the recommended bore clearance for the BBCRE5333-030 pistons?
For the BBCRE5333-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific application and operating conditions, so it's best to consult with your engine builder.
What compression ratio can I expect with the BBCRE5333-030 pistons?
The BBCRE5333-030 pistons are designed to achieve a compression ratio of approximately 13.2:1 when used with a 118cc combustion chamber. Ensure that your engine's setup, including head gasket thickness and combustion chamber volume, is accounted for to achieve the desired ratio.
What type of ring set is compatible with the BBCRE5333-030 pistons?
The BBCRE5333-030 pistons come with a ring thickness of 1.0 x 1.0 x 3.0mm. It's important to use a compatible ring set designed for these dimensions to ensure proper sealing and performance.
Do I need to modify my cylinder heads for clearance with the BBCRE5333-030 pistons?
Yes, the BBCRE5333-030 pistons feature two valve reliefs and a dome design, which may require careful consideration of valve clearance. It's advisable to check for adequate clearance with your specific cylinder heads, especially if using high-lift camshafts.
What is the weight of the BBCRE5333-030 pistons, and how does it affect performance?
The BBCRE5333-030 pistons weigh 663 grams. While this weight is suitable for high-performance applications, keep in mind that lighter pistons can improve engine response and reduce reciprocating mass. Ensure that your rotating assembly is balanced accordingly.
